125000636375 has 16 divisors (see below), whose sum is σ = 156034036704. Its totient is φ = 99979200000.

The previous prime is 125000636357. The next prime is 125000636381. The reversal of 125000636375 is 573636000521.

It is not a de Polignac number, because 125000636375 - 2¹⁰ = 125000635351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495980 + ... + 704270.

It is an arithmetic number, because the mean of its divisors is an integer number (9752127294).

Almost surely, 2^125000636375 is an apocalyptic number.

125000636375 is a deficient number, since it is larger than the sum of its proper divisors (31033400329).

125000636375 is an equidigital number, since it uses as much as digits as its factorization.

125000636375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213107 (or 213097 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

Adding to 125000636375 its reverse (573636000521), we get a palindrome (698636636896).

The spelling of 125000636375 in words is "one hundred twenty-five billion, six hundred thirty-six thousand, three hundred seventy-five".